Abstract #2097

Preoperative MRI of Uterine Malignant Mixed Mullerian Tumors versus Endometrial Carcinomas with Emphasis on Dynamic Enhancement Characteristics

Sandra Alheli Garza¹, Tara Sagebiel², Wei Wei³, Jingfei Ma⁴, and Priya Bhosale²

¹Department of Diagnostic and Interventional Imaging, University of Texas Health Science Center at Houston, Houston, TX, United States, ²Diagnostic Radiology Department, MD Anderson Cancer Center, Houston, TX, United States, ³Biostatistics Department, MD Anderson Cancer Center, Houston, TX, United States, ⁴Department of Imaging Physics, MD Anderson Cancer Center, Houston, TX, United States

Distinguishing uterine malignant mixed mullerian tumors (MMMTs) from endometrial carcinomas preoperatively by pelvic MRI may help with surgical and treatment planning of this highly aggressive tumor. Our study found that prolapse of tumor through the external cervical os, delayed iso- or hyper-enhancement, high mean tumor: myometrium positive enhancement integral (PEI) ratio and low tumor signal enhancement ratio (SER) are more commonly seen in patients with MMMT and may alert the radiologist to the possibility of this diagnosis.

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